Front bumper



FIG. 1 is a front view of a front bumper showing our new design;

FIG. 2 is a rear view thereof;

FIG. 3 is a right side perspective view thereof;

FIG. 4 is a left side perspective view thereof;

FIG. 5 is a top view thereof; and,

FIG. 6 is a bottom view thereof.

It will be understood that the broken lines shown in the drawingsillustrate portions of the front bumper that form no part of claimeddesign.

CLAIM The ornamental design for a front bumper, as shown and described.